21973270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{3769}}^1$

素因数の和:3840

約数の個数: 32

約数和(自身を含む): 43973280

約数和(自身を除く): 22000010

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 265, 530, 583, 1166, 2915, 3769, 5830, 7538, 18845, 37690, 41459, 82918, 199757, 207295, 399514, 414590, 998785, 1997570, 2197327, 4394654, 10986635, 21973270]

約数ペア:

[(1, 21973270), (2, 10986635), (5, 4394654), (10, 2197327), (11, 1997570), (22, 998785), (53, 414590), (55, 399514), (106, 207295), (110, 199757), (265, 82918), (530, 41459), (583, 37690), (1166, 18845), (2915, 7538), (3769, 5830)]